How many years of comparable data are there for Bulgaria and Sao Tome and Principe?

10 years are reported by both, from 2003 to 2015.

Where does this data come from?

UNESCO Institute for Statistics, published as Out-of-school rate for children, adolescents and youth of primary, lower secondary and upper secondary school age, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Sao Tome and Principe: Out-of-school rate for children, adolescents and youth of primary

Bulgaria

1.13 GPIA

in 2024

Sao Tome and Principe

1.1 GPIA

in 2015

Bulgaria rank

31st

Sao Tome and Principe rank

34th

Out-of-school rate for children, adolescents and youth of primary over time

Bulgaria
Sao Tome and Principe

How they compare

Bulgaria currently reports 1.13 GPIA against 1.1 GPIA in Sao Tome and Principe, a difference of 0.03 GPIA.

Across all 10 years both countries report, Bulgaria has been ahead every year.

Bulgaria ranks 31st and Sao Tome and Principe ranks 34th of 171 countries.

Bulgaria has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Bulgaria	Sao Tome and Principe	Difference	Ahead
2000s	1.17 GPIA	0.9545 GPIA	0.2129 GPIA	Bulgaria
2010s	1.25 GPIA	1.07 GPIA	0.1823 GPIA	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher out-of-school rate for children, adolescents and youth of primary, Bulgaria or Sao Tome and Principe?: Bulgaria, at 1.13 GPIA against 1.1 GPIA in Sao Tome and Principe as of 2024.
What is the difference in out-of-school rate for children, adolescents and youth of primary between Bulgaria and Sao Tome and Principe?: 0.03 GPIA, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Sao Tome and Principe?: 10 years are reported by both, from 2003 to 2015.
How do Bulgaria and Sao Tome and Principe rank globally for out-of-school rate for children, adolescents and youth of primary?: Bulgaria ranks 31st and Sao Tome and Principe ranks 34th of 171 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Out-of-school rate for children, adolescents and youth of primary, lower secondary and upper secondary school age, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Sao Tome and Principe: Out-of-school rate for children, adolescents and youth of primary. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 18 September 2026, from https://education.statizoid.com/compare/out-of-school-rate-for-children-adolescents-and-youth-of-primary-lower-secondary-and-6/bulgaria/sao-tome-and-principe/

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<a href="https://education.statizoid.com/compare/out-of-school-rate-for-children-adolescents-and-youth-of-primary-lower-secondary-and-6/bulgaria/sao-tome-and-principe/">Bulgaria vs Sao Tome and Principe: Out-of-school rate for children, adolescents and youth of primary</a> — Statizoid

About this data

Indicator: Out-of-school rate for children, adolescents and youth of primary, lower secondary and upper secondary school age, adjusted gender parity index (GPIA)
Unit: GPIA
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 171 places, 2,695 data points, 1970–2025
Last refreshed: 06 September 2026

February 2026 Data Release